Public water system record
Epcor - Anthem
Serves Anthem, Maricopa County, AZ · 23,826 people served
Federal records show 1 health-based violation and 7 monitoring/reporting issues for Epcor - Anthem in the last ten years. The most serious issue in this window was a resolved Long Term 2 Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Epcor - Anthem draws water from 2 wells and 1 surface water intake (2 of them for emergency, seasonal or other part-time use).
- Record on file since 1999, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 3 unknown out of 9,480 service lines.
Check whether Epcor - Anthem serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2022 | Resolved |
Full record since 1999
EPA's records for Epcor - Anthem go back to 1999. Before October 19, 2016 they list no health-based violations and 114 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 0 | 89 |
| 2010 to October 18, 2016 | 0 | 24 |
| October 19, 2016 to 2019 | 1 | 0 |
| 2020s | 0 | 7 |
What the violations mean
Long Term 2 Enhanced Surface Water Treatment Rule
1 incidentThe system failed required surface water treatment or filtration standards
Untreated or inadequately treated surface water can contain bacteria and viruses
Where the water comes from
Epcor - Anthem draws water from 2 wells and 1 surface water intake (2 of them for emergency, seasonal or other part-time use). It also buys water from City of Phoenix. 1 other public water system has an emergency connection to Epcor - Anthem.
Buys water from
- City of Phoenix Phoenix, AZ
Annual water quality report
Epcor - Anthem must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.
Certified drinking water labs by state EPA guidance for private wells